[v2,02/38] x86/cpu: Move phys_proc_id into topology info

Message ID	20230728120929.778470356@linutronix.de (mailing list archive)
State	Not Applicable
Headers	show Return-Path: <linux-scsi-owner@vger.kernel.org> Message-ID: <20230728120929.778470356@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: x86@kernel.org, Tom Lendacky <thomas.lendacky@amd.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Arjan van de Ven <arjan@linux.intel.com>, "James E.J. Bottomley" <jejb@linux.ibm.com>, Dick Kennedy <dick.kennedy@broadcom.com>, James Smart <james.smart@broadcom.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, linux-scsi@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>, linux-hwmon@vger.kernel.org, Jean Delvare <jdelvare@suse.com>, Huang Rui <ray.huang@amd.com>, Juergen Gross <jgross@suse.com>, Steve Wahl <steve.wahl@hpe.com>, Mike Travis <mike.travis@hpe.com>, Dimitri Sivanich <dimitri.sivanich@hpe.com>, Russ Anderson <russ.anderson@hpe.com> Subject: [patch v2 02/38] x86/cpu: Move phys_proc_id into topology info References: <20230728105650.565799744@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Date: Fri, 28 Jul 2023 14:12:45 +0200 (CEST) Precedence: bulk
Series	x86/cpu: Rework the topology evaluation \| expand [v2,00/38] x86/cpu: Rework the topology evaluation [v2,01/38] x86/cpu: Encapsulate topology information in cpuinfo_x86 [v2,02/38] x86/cpu: Move phys_proc_id into topology info [v2,03/38] x86/cpu: Move cpu_die_id into topology info [v2,04/38] scsi: lpfc: Use topology_core_id() [v2,05/38] hwmon: (fam15h_power) Use topology_core_id() [v2,06/38] x86/cpu: Move cpu_core_id into topology info [v2,07/38] x86/cpu: Move cu_id into topology info [v2,08/38] x86/cpu: Remove pointless evaluation of x86_coreid_bits [v2,09/38] x86/cpu: Move logical package and die IDs into topology info [v2,10/38] x86/cpu: Move cpu_l[l2]c_id into topology info [v2,11/38] x86/apic: Use BAD_APICID consistently; [v2,12/38] x86/apic: Use u32 for APIC IDs in global data [v2,13/38] x86/apic: Use u32 for check_apicid_used() [v2,14/38] x86/apic: Use u32 for cpu_present_to_apicid() [v2,15/38] x86/apic: Use u32 for phys_pkg_id() [v2,16/38] x86/apic: Use u32 for [gs]et_apic_id() [v2,17/38] x86/apic: Use u32 for wakeup_secondary_cpu[_64]() [v2,18/38] x86/cpu/topology: Cure the abuse of cpuinfo for persisting logical ids [v2,19/38] x86/cpu: Provide debug interface [v2,20/38] x86/cpu: Provide cpuid_read() et al. [v2,21/38] x86/cpu: Provide cpu_init/parse_topology() [v2,22/38] x86/cpu: Add legacy topology parser [v2,23/38] x86/cpu: Use common topology code for Centaur and Zhaoxin [v2,24/38] x86/cpu: Move __max_die_per_package to common.c [v2,25/38] x86/cpu: Provide a sane leaf 0xb/0x1f parser [v2,26/38] x86/cpu: Use common topology code for Intel [v2,27/38] x86/cpu/amd: Provide a separate acessor for Node ID [v2,28/38] x86/cpu: Provide an AMD/HYGON specific topology parser [v2,29/38] x86/smpboot: Teach it about topo.amd_node_id [v2,30/38] x86/cpu: Use common topology code for AMD [v2,31/38] x86/cpu: Use common topology code for HYGON [v2,32/38] x86/mm/numa: Use core domain size on AMD [v2,33/38] x86/cpu: Make topology_amd_node_id() use the actual node info [v2,34/38] x86/cpu: Remove topology.c [v2,35/38] x86/cpu: Remove x86_coreid_bits [v2,36/38] x86/apic: Remove unused phys_pkg_id() callback [v2,37/38] x86/xen/smp_pv: Remove cpudata fiddling [v2,38/38] x86/apic/uv: Remove the private leaf 0xb parser

--- a/Documentation/arch/x86/topology.rst +++ b/Documentation/arch/x86/topology.rst @@ -59,7 +59,7 @@ AMD nomenclature for package is 'Node'. The physical ID of the die. This information is retrieved via CPUID. - - cpuinfo_x86.phys_proc_id: + - cpuinfo_x86.topo.pkg_id: The physical ID of the package. This information is retrieved via CPUID and deduced from the APIC IDs of the cores in the package. --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -82,6 +82,9 @@ struct cpuinfo_topology { u32 apicid; // The initial APIC ID provided by CPUID u32 initial_apicid; + + // Physical package ID + u32 pkg_id; }; struct cpuinfo_x86 { @@ -133,8 +136,6 @@ struct cpuinfo_x86 { u16 x86_clflush_size; /* number of cores as seen by the OS: */ u16 booted_cores; - /* Physical processor id: */ - u16 phys_proc_id; /* Logical processor id: */ u16 logical_proc_id; /* Core id: */ --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -106,7 +106,7 @@ extern const struct cpumask *cpu_coregro extern const struct cpumask *cpu_clustergroup_mask(int cpu); #define topology_logical_package_id(cpu) (cpu_data(cpu).logical_proc_id) -#define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id) +#define topology_physical_package_id(cpu) (cpu_data(cpu).topo.pkg_id) #define topology_logical_die_id(cpu) (cpu_data(cpu).logical_die_id) #define topology_die_id(cpu) (cpu_data(cpu).cpu_die_id) #define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id) --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -177,7 +177,7 @@ struct x86_init_ops { * struct x86_cpuinit_ops - platform specific cpu hotplug setups * @setup_percpu_clockev: set up the per cpu clock event device * @early_percpu_clock_init: early init of the per cpu clock event device - * @fixup_cpu_id: fixup function for cpuinfo_x86::phys_proc_id + * @fixup_cpu_id: fixup function for cpuinfo_x86::topo.pkg_id * @parallel_bringup: Parallel bringup control */ struct x86_cpuinit_ops { --- a/arch/x86/kernel/apic/apic_numachip.c +++ b/arch/x86/kernel/apic/apic_numachip.c @@ -169,7 +169,7 @@ static void fixup_cpu_id(struct cpuinfo_ nodes = ((val >> 3) & 7) + 1; } - c->phys_proc_id = node / nodes; + c->topo.pkg_id = node / nodes; } static int __init numachip_system_init(void) --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -389,9 +389,9 @@ static void amd_detect_cmp(struct cpuinf /* Low order bits define the core id (index of core in socket) */ c->cpu_core_id = c->topo.initial_apicid & ((1 << bits)-1); /* Convert the initial APIC ID into the socket ID */ - c->phys_proc_id = c->topo.initial_apicid >> bits; + c->topo.pkg_id = c->topo.initial_apicid >> bits; /* use socket ID also for last level cache */ - per_cpu(cpu_llc_id, cpu) = c->cpu_die_id = c->phys_proc_id; + per_cpu(cpu_llc_id, cpu) = c->cpu_die_id = c->topo.pkg_id; } u32 amd_get_nodes_per_socket(void) --- a/arch/x86/kernel/cpu/cacheinfo.c +++ b/arch/x86/kernel/cpu/cacheinfo.c @@ -875,10 +875,10 @@ void init_intel_cacheinfo(struct cpuinfo * turns means that the only possibility is SMT (as indicated in * cpuid1). Since cpuid2 doesn't specify shared caches, and we know * that SMT shares all caches, we can unconditionally set cpu_llc_id to - * c->phys_proc_id. + * c->topo.pkg_id. */ if (per_cpu(cpu_llc_id, cpu) == BAD_APICID) - per_cpu(cpu_llc_id, cpu) = c->phys_proc_id; + per_cpu(cpu_llc_id, cpu) = c->topo.pkg_id; #endif c->x86_cache_size = l3 ? l3 : (l2 ? l2 : (l1i+l1d)); --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -899,7 +899,7 @@ void detect_ht(struct cpuinfo_x86 *c) return; index_msb = get_count_order(smp_num_siblings); - c->phys_proc_id = apic->phys_pkg_id(c->topo.initial_apicid, index_msb); + c->topo.pkg_id = apic->phys_pkg_id(c->topo.initial_apicid, index_msb); smp_num_siblings = smp_num_siblings / c->x86_max_cores; @@ -1729,7 +1729,7 @@ static void generic_identify(struct cpui c->topo.apicid = c->topo.initial_apicid; # endif #endif - c->phys_proc_id = c->topo.initial_apicid; + c->topo.pkg_id = c->topo.initial_apicid; } get_model_name(c); /* Default name */ @@ -1767,7 +1767,7 @@ static void validate_apic_and_package_id pr_err(FW_BUG "CPU%u: APIC id mismatch. Firmware: %x APIC: %x\n", cpu, apicid, c->topo.initial_apicid); } - BUG_ON(topology_update_package_map(c->phys_proc_id, cpu)); + BUG_ON(topology_update_package_map(c->topo.pkg_id, cpu)); BUG_ON(topology_update_die_map(c->cpu_die_id, cpu)); #else c->logical_proc_id = 0; --- a/arch/x86/kernel/cpu/hygon.c +++ b/arch/x86/kernel/cpu/hygon.c @@ -88,7 +88,7 @@ static void hygon_get_topology(struct cp c->x86_coreid_bits = get_count_order(c->x86_max_cores); /* Socket ID is ApicId[6] for these processors. */ - c->phys_proc_id = c->topo.apicid >> APICID_SOCKET_ID_BIT; + c->topo.pkg_id = c->topo.apicid >> APICID_SOCKET_ID_BIT; cacheinfo_hygon_init_llc_id(c, cpu); } else if (cpu_has(c, X86_FEATURE_NODEID_MSR)) { @@ -118,9 +118,9 @@ static void hygon_detect_cmp(struct cpui /* Low order bits define the core id (index of core in socket) */ c->cpu_core_id = c->topo.initial_apicid & ((1 << bits)-1); /* Convert the initial APIC ID into the socket ID */ - c->phys_proc_id = c->topo.initial_apicid >> bits; + c->topo.pkg_id = c->topo.initial_apicid >> bits; /* use socket ID also for last level cache */ - per_cpu(cpu_llc_id, cpu) = c->cpu_die_id = c->phys_proc_id; + per_cpu(cpu_llc_id, cpu) = c->cpu_die_id = c->topo.pkg_id; } static void srat_detect_node(struct cpuinfo_x86 *c) --- a/arch/x86/kernel/cpu/mce/apei.c +++ b/arch/x86/kernel/cpu/mce/apei.c @@ -105,7 +105,7 @@ int apei_smca_report_x86_error(struct cp for_each_possible_cpu(cpu) { if (cpu_data(cpu).topo.initial_apicid == lapic_id) { m.extcpu = cpu; - m.socketid = cpu_data(m.extcpu).phys_proc_id; + m.socketid = cpu_data(m.extcpu).topo.pkg_id; break; } } --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -123,7 +123,7 @@ void mce_setup(struct mce *m) m->time = __ktime_get_real_seconds(); m->cpuvendor = boot_cpu_data.x86_vendor; m->cpuid = cpuid_eax(1); - m->socketid = cpu_data(m->extcpu).phys_proc_id; + m->socketid = cpu_data(m->extcpu).topo.pkg_id; m->apicid = cpu_data(m->extcpu).topo.initial_apicid; m->mcgcap = __rdmsr(MSR_IA32_MCG_CAP); m->ppin = cpu_data(m->extcpu).ppin; --- a/arch/x86/kernel/cpu/proc.c +++ b/arch/x86/kernel/cpu/proc.c @@ -18,7 +18,7 @@ static void show_cpuinfo_core(struct seq unsigned int cpu) { #ifdef CONFIG_SMP - seq_printf(m, "physical id\t: %d\n", c->phys_proc_id); + seq_printf(m, "physical id\t: %d\n", c->topo.pkg_id); seq_printf(m, "siblings\t: %d\n", cpumask_weight(topology_core_cpumask(cpu))); seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id); --- a/arch/x86/kernel/cpu/topology.c +++ b/arch/x86/kernel/cpu/topology.c @@ -154,8 +154,7 @@ int detect_extended_topology(struct cpui core_plus_mask_width) & die_select_mask; } - c->phys_proc_id = apic->phys_pkg_id(c->topo.initial_apicid, - pkg_mask_width); + c->topo.pkg_id = apic->phys_pkg_id(c->topo.initial_apicid, pkg_mask_width); /* * Reinit the apicid, now that we have extended initial_apicid. */ --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -347,7 +347,7 @@ int topology_phys_to_logical_pkg(unsigne for_each_possible_cpu(cpu) { struct cpuinfo_x86 *c = &cpu_data(cpu); - if (c->initialized && c->phys_proc_id == phys_pkg) + if (c->initialized && c->topo.pkg_id == phys_pkg) return c->logical_proc_id; } return -1; @@ -363,13 +363,13 @@ EXPORT_SYMBOL(topology_phys_to_logical_p */ static int topology_phys_to_logical_die(unsigned int die_id, unsigned int cur_cpu) { - int cpu, proc_id = cpu_data(cur_cpu).phys_proc_id; + int cpu, proc_id = cpu_data(cur_cpu).topo.pkg_id; for_each_possible_cpu(cpu) { struct cpuinfo_x86 *c = &cpu_data(cpu); if (c->initialized && c->cpu_die_id == die_id && - c->phys_proc_id == proc_id) + c->topo.pkg_id == proc_id) return c->logical_die_id; } return -1; @@ -429,7 +429,7 @@ void __init smp_store_boot_cpu_info(void *c = boot_cpu_data; c->cpu_index = id; - topology_update_package_map(c->phys_proc_id, id); + topology_update_package_map(c->topo.pkg_id, id); topology_update_die_map(c->cpu_die_id, id); c->initialized = true; } @@ -484,7 +484,7 @@ static bool match_smt(struct cpuinfo_x86 if (boot_cpu_has(X86_FEATURE_TOPOEXT)) { int cpu1 = c->cpu_index, cpu2 = o->cpu_index; - if (c->phys_proc_id == o->phys_proc_id && + if (c->topo.pkg_id == o->topo.pkg_id && c->cpu_die_id == o->cpu_die_id && per_cpu(cpu_llc_id, cpu1) == per_cpu(cpu_llc_id, cpu2)) { if (c->cpu_core_id == o->cpu_core_id) @@ -496,7 +496,7 @@ static bool match_smt(struct cpuinfo_x86 return topology_sane(c, o, "smt"); } - } else if (c->phys_proc_id == o->phys_proc_id && + } else if (c->topo.pkg_id == o->topo.pkg_id && c->cpu_die_id == o->cpu_die_id && c->cpu_core_id == o->cpu_core_id) { return topology_sane(c, o, "smt"); @@ -507,7 +507,7 @@ static bool match_smt(struct cpuinfo_x86 static bool match_die(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o) { - if (c->phys_proc_id == o->phys_proc_id && + if (c->topo.pkg_id == o->topo.pkg_id && c->cpu_die_id == o->cpu_die_id) return true; return false; @@ -535,7 +535,7 @@ static bool match_l2c(struct cpuinfo_x86 */ static bool match_pkg(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o) { - if (c->phys_proc_id == o->phys_proc_id) + if (c->topo.pkg_id == o->topo.pkg_id) return true; return false; } --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -12428,9 +12428,6 @@ lpfc_cpu_affinity_check(struct lpfc_hba int max_core_id, min_core_id; struct lpfc_vector_map_info *cpup; struct lpfc_vector_map_info *new_cpup; -#ifdef CONFIG_X86 - struct cpuinfo_x86 *cpuinfo; -#endif #ifdef CONFIG_SCSI_LPFC_DEBUG_FS struct lpfc_hdwq_stat *c_stat; #endif @@ -12444,8 +12441,7 @@ lpfc_cpu_affinity_check(struct lpfc_hba for_each_present_cpu(cpu) { cpup = &phba->sli4_hba.cpu_map[cpu]; #ifdef CONFIG_X86 - cpuinfo = &cpu_data(cpu); - cpup->phys_id = cpuinfo->phys_proc_id; + cpup->phys_id = topology_physical_package_id(cpu); cpup->core_id = cpuinfo->cpu_core_id; if (lpfc_find_hyper(phba, cpu, cpup->phys_id, cpup->core_id)) cpup->flag |= LPFC_CPU_MAP_HYPER;

[v2,02/38] x86/cpu: Move phys_proc_id into topology info

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